题解 | #牛牛的矩阵相加#
牛牛的矩阵相加
https://www.nowcoder.com/practice/730b90507602412fac90a3f106bfa0cd
import sys
n=int(input())
a=[[1,2,3],[4,5,6],[7,8,9]]
for i in range(0,len(a)):
for j in range(0,len(a[i])):
a[i][j]=a[i][j]*n
print(a)
牛牛的矩阵相加
https://www.nowcoder.com/practice/730b90507602412fac90a3f106bfa0cd
import sys
n=int(input())
a=[[1,2,3],[4,5,6],[7,8,9]]
for i in range(0,len(a)):
for j in range(0,len(a[i])):
a[i][j]=a[i][j]*n
print(a)
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